Asus M2N32-SLI - Manual (Page 145)

ASUS M2N2-SLI Deluxe -2
Microphone options
Click the Listening Environment tab allows you to optimize your microphone
input settings.
Enhanced Microphone Features
Voice recording
Enables Noise Filter function. Detects repetitive and stationary noises
like computer fans, air conditioners, and other background noises then
eliminates it in the incoming sudio stream while recording. You can
enable it for a better recording quality.
Directional Array
Receives only the sound coming from the reception cone and
eliminates interferences including neighboring speakers and
reverberations. You can enable it to transit clearer sound during on-
line games, MSN, or Skype.
Speaker Phone
Advanced de-reverberation techniques can help to reduce echo and
mnimize its effect on the speech engine. You can enable it when you
have conference call to reduce echoes in the other side.
The directional Array and Speaker Phone
function only when working with the ASUS
Array Nic.